Dark blue cloudy sky

What is Barometer?

An instrument for measuring atmospheric pressure.

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Glossary

Ball lightning appears during thunderstorms, taking the shape of glowing, electric orbs in the sky. It can appear in a variety...

The amount of water vapor present in the air, which can affect comfort levels and weather conditions.

The occurrence of storms resulting from the horizontal advection of cold air at high levels or the horizontal advection of...

Cloud condensation nuclei are tiny particles in the atmosphere, such as dust, salt, or pollutants, that provide surfaces...

The large-scale movement of air that distributes heat and moisture around the Earth, influencing weather patterns and climatic...

Precipitation in the form of small balls or lumps of ice that form in thunderstorm updrafts and fall to the ground.

Snow that rises to 8 feet or higher.

Large, fluffy white clouds with flat bases, typically indicating fair weather, though they can develop into storm clouds...

The formation of fog when warm and moist air passes over a cool or cold surface or, conversely, when cold air passes over...

A very cold high pressure that originates over the Arctic Ocean.